HARLEY DAVIDSON · J1850 ECU

HARLEY DAVIDSON 1200 Forty-Eight J1850 tuning files

Here is what the catalog holds for the HARLEY DAVIDSON 1200 Forty-Eight on the J1850. The matched variants sit between 59 and 70 HP from the factory. There are 12 distinct variants on file for this combination. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Each file is tied to the precise software on your car and checked before it goes out.

Upload your file →All 1200 Forty-Eight coverageCustom ECU tuning file service

Available solutions

What we can run on the J1850 for this vehicle — the precise options narrow down by engine and software version.

Stage 1Stage 2

Engine variants & ECU software

12 distinct variants for the HARLEY DAVIDSON 1200 Forty-Eight on the J1850 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1200cc 70HP
Controller brand
DELPHI
ECU
J1850
Stock power
70 HP
SW upgrade
32777-03A
Calibration
32777-03A

Variant 2

ECU
Catalog engine
1200 59HP
Controller brand
DELPHI
ECU
J1850
Stock power
59 HP
SW upgrade
22718-07B
Calibration
22718-07B

Variant 3

ECU
Catalog engine
1200 59HP
Controller brand
DELPHI
ECU
J1850
Stock power
59 HP
SW upgrade
32153-07C
Calibration
32153-07C

Variant 4

ECU
Catalog engine
1200 59HP
Controller brand
DELPHI
ECU
J1850
Stock power
59 HP
SW upgrade
32153-07B
Calibration
32153-07B

Variant 5

ECU
Catalog engine
1200 59HP
Controller brand
DELPHI
ECU
J1850
Stock power
59 HP
SW upgrade
34329-11
Calibration
34329-11

Variant 6

ECU
Catalog engine
1200 59HP
Controller brand
DELPHI
ECU
J1850
Stock power
59 HP

Variant 7

ECU
Catalog engine
1200 59HP
Controller brand
DELPHI
ECU
J1850
Stock power
59 HP
SW upgrade
32155-07F
Calibration
32155-07F

Variant 8

ECU
Catalog engine
1200 59HP
Controller brand
DELPHI
ECU
J1850
Stock power
59 HP
ECU SW
176
ECU HW
32155-07F
SW upgrade
32155-07C
Calibration
32155-07C

Variant 9

ECU
Catalog engine
1200 59HP
Controller brand
DELPHI
ECU
J1850
Stock power
59 HP
SW upgrade
32159-07C
Calibration
32159-07C

Variant 10

ECU
Catalog engine
1200 59HP
Controller brand
DELPHI
ECU
J1850
Stock power
59 HP
SW upgrade
32153-07D
Calibration
32153-07D

Variant 11

ECU
Catalog engine
1200 59HP
Controller brand
DELPHI
ECU
J1850
Stock power
59 HP
ECU SW
176
ECU HW
32155-07F
SW upgrade
32155-07F
Calibration
32155-07F

Variant 12

ECU
Catalog engine
1200 59HP
Controller brand
DELPHI
ECU
J1850
Stock power
59 HP
SW upgrade
32155-07E
Calibration
32155-07E

Related vehicles

Other vehicles built on the J1850 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the HARLEY DAVIDSON 1200 Forty-Eight on the J1850?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the J1850 ECU software on this model?

Yes — the HARLEY DAVIDSON 1200 Forty-Eight on the J1850 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.

HARLEY DAVIDSON 1200 Forty-Eight J1850 ECU Tuning Files | TuningBay